<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <style>

  </style>
</head>
<body>
  <div id="app">
    <ul>
      <li v-for="(item,index) in arr" :key="index">
        {{index}} : {{item}}
      </li>
    </ul>

    <ul>
      <li v-for="(val,key,index) in obj" :key="index">
       {{index}} :  {{key}} : {{val}}
      </li>
    </ul>
  </div>
</body>
<script src="./js/vue.js"></script>
<script>
    new Vue({
      el:"#app",
      data:{
        arr:["a","b","c","d","e"],
        obj:{
          name:"damu",
          wife:"zdy",
          son:"gxl",
          age:18,
          tel:"15851802777"
        }
      }
    });
</script>
</html>